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- EMDB-0246: Leucine-zippered human insulin receptor ectodomain with single bo... -
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Open data
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Basic information
Entry | Database: EMDB / ID: EMD-0246 | |||||||||||||||
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Title | Leucine-zippered human insulin receptor ectodomain with single bound insulin - "lower" membrane-proximal part | |||||||||||||||
![]() | insulin bound to insulin receptor ectodomain - "lower" membrane-proximal part | |||||||||||||||
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![]() | insulin / insulin receptor ectodomain / signal transdution / SIGNALING PROTEIN | |||||||||||||||
Function / homology | ![]() regulation of female gonad development / FCERI mediated MAPK activation / protein localization to nuclear periphery / Activation of the AP-1 family of transcription factors / positive regulation of meiotic cell cycle / response to amino acid starvation / negative regulation of ribosomal protein gene transcription by RNA polymerase II / positive regulation of cellular response to amino acid starvation / mediator complex binding / insulin-like growth factor II binding ...regulation of female gonad development / FCERI mediated MAPK activation / protein localization to nuclear periphery / Activation of the AP-1 family of transcription factors / positive regulation of meiotic cell cycle / response to amino acid starvation / negative regulation of ribosomal protein gene transcription by RNA polymerase II / positive regulation of cellular response to amino acid starvation / mediator complex binding / insulin-like growth factor II binding / positive regulation of developmental growth / male sex determination / insulin receptor complex / insulin-like growth factor I binding / positive regulation of protein-containing complex disassembly / insulin receptor activity / exocrine pancreas development / Oxidative Stress Induced Senescence / dendritic spine maintenance / cargo receptor activity / insulin binding / adrenal gland development / neuronal cell body membrane / PTB domain binding / Signaling by Insulin receptor / IRS activation / positive regulation of respiratory burst / amyloid-beta clearance / TFIID-class transcription factor complex binding / positive regulation of receptor internalization / regulation of embryonic development / insulin receptor substrate binding / protein kinase activator activity / positive regulation of RNA polymerase II transcription preinitiation complex assembly / epidermis development / positive regulation of glycogen biosynthetic process / Signal attenuation / positive regulation of transcription initiation by RNA polymerase II / heart morphogenesis / cellular response to nutrient levels / transport across blood-brain barrier / phosphatidylinositol 3-kinase binding / Insulin receptor recycling / amino acid biosynthetic process / insulin-like growth factor receptor binding / dendrite membrane / neuron projection maintenance / positive regulation of mitotic nuclear division / Insulin receptor signalling cascade / receptor-mediated endocytosis / cellular response to amino acid starvation / positive regulation of glycolytic process / positive regulation of D-glucose import / learning / receptor protein-tyrosine kinase / caveola / cellular response to growth factor stimulus / receptor internalization / RNA polymerase II transcription regulator complex / memory / male gonad development / cellular response to insulin stimulus / positive regulation of nitric oxide biosynthetic process / late endosome / insulin receptor signaling pathway / glucose homeostasis / amyloid-beta binding / protein autophosphorylation / PI5P, PP2A and IER3 Regulate PI3K/AKT Signaling / DNA-binding transcription activator activity, RNA polymerase II-specific / protein tyrosine kinase activity / transcription regulator complex / sequence-specific DNA binding / RNA polymerase II-specific DNA-binding transcription factor binding / DNA-binding transcription factor activity, RNA polymerase II-specific / endosome membrane / lysosome / receptor complex / positive regulation of canonical NF-kappaB signal transduction / positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction / positive regulation of MAPK cascade / intracellular signal transduction / positive regulation of cell migration / RNA polymerase II cis-regulatory region sequence-specific DNA binding / G protein-coupled receptor signaling pathway / DNA-binding transcription factor activity / axon / protein domain specific binding / external side of plasma membrane / positive regulation of cell population proliferation / chromatin binding / symbiont entry into host cell / regulation of DNA-templated transcription / GTP binding / positive regulation of DNA-templated transcription / protein-containing complex binding / negative regulation of transcription by RNA polymerase II / positive regulation of transcription by RNA polymerase II / extracellular exosome / ATP binding Similarity search - Function | |||||||||||||||
Biological species | ![]() ![]() ![]() | |||||||||||||||
Method | single particle reconstruction / cryo EM / Resolution: 4.2 Å | |||||||||||||||
![]() | Weis F / Menting JG | |||||||||||||||
Funding support | ![]() ![]()
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![]() | ![]() Title: The signalling conformation of the insulin receptor ectodomain. Authors: Felix Weis / John G Menting / Mai B Margetts / Shu Jin Chan / Yibin Xu / Norbert Tennagels / Paulus Wohlfart / Thomas Langer / Christoph W Müller / Matthias K Dreyer / Michael C Lawrence / ![]() ![]() ![]() Abstract: Understanding the structural biology of the insulin receptor and how it signals is of key importance in the development of insulin analogs to treat diabetes. We report here a cryo-electron microscopy ...Understanding the structural biology of the insulin receptor and how it signals is of key importance in the development of insulin analogs to treat diabetes. We report here a cryo-electron microscopy structure of a single insulin bound to a physiologically relevant, high-affinity version of the receptor ectodomain, the latter generated through attachment of C-terminal leucine zipper elements to overcome the conformational flexibility associated with ectodomain truncation. The resolution of the cryo-electron microscopy maps is 3.2 Å in the insulin-binding region and 4.2 Å in the membrane-proximal region. The structure reveals how the membrane proximal domains of the receptor come together to effect signalling and how insulin's negative cooperativity of binding likely arises. Our structure further provides insight into the high affinity of certain super-mitogenic insulins. Together, these findings provide a new platform for insulin analog investigation and design. | |||||||||||||||
History |
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Structure visualization
Movie |
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Structure viewer | EM map: ![]() ![]() ![]() |
Supplemental images |
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Downloads & links
-EMDB archive
Map data | ![]() | 2.5 MB | ![]() | |
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Header (meta data) | ![]() ![]() | 16.7 KB 16.7 KB | Display Display | ![]() |
Images | ![]() | 110.5 KB | ||
Filedesc metadata | ![]() | 7.2 KB | ||
Archive directory | ![]() ![]() | HTTPS FTP |
-Validation report
Summary document | ![]() | 334.7 KB | Display | ![]() |
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Full document | ![]() | 334.3 KB | Display | |
Data in XML | ![]() | 6.4 KB | Display | |
Data in CIF | ![]() | 7.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 6hn4MC ![]() 0247C ![]() 6hn5C M: atomic model generated by this map C: citing same article ( |
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Similar structure data |
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Links
EMDB pages | ![]() ![]() |
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Related items in Molecule of the Month |
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Map
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Annotation | insulin bound to insulin receptor ectodomain - "lower" membrane-proximal part | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Voxel size | X=Y=Z: 1.04 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Density |
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Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Details | EMDB XML:
CCP4 map header:
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-Supplemental data
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Sample components
-Entire : Leucine zippered human insulin receptor ectodomain (IR-A isoform,...
Entire | Name: Leucine zippered human insulin receptor ectodomain (IR-A isoform, "deltabeta" mutant) in complex with insulin and two Fv 83-7 modules : "lower" membrane-proximal part |
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Components |
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-Supramolecule #1: Leucine zippered human insulin receptor ectodomain (IR-A isoform,...
Supramolecule | Name: Leucine zippered human insulin receptor ectodomain (IR-A isoform, "deltabeta" mutant) in complex with insulin and two Fv 83-7 modules : "lower" membrane-proximal part type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1 Details: Note: Attached to the leucine-zippered insulin receptor ectodomain are two Fv 83-7 modules. One of these is present within this map volume but it is very poorly ordered and thus left ...Details: Note: Attached to the leucine-zippered insulin receptor ectodomain are two Fv 83-7 modules. One of these is present within this map volume but it is very poorly ordered and thus left completely unmodelled. See the manuscript for further details. |
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Source (natural) | Organism: ![]() |
-Macromolecule #1: Insulin receptor,Insulin receptor,General control protein GCN4
Macromolecule | Name: Insulin receptor,Insulin receptor,General control protein GCN4 type: protein_or_peptide / ID: 1 / Number of copies: 2 / Enantiomer: LEVO / EC number: receptor protein-tyrosine kinase |
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Source (natural) | Organism: ![]() ![]() Strain: ATCC 204508 / S288c |
Molecular weight | Theoretical: 106.728211 KDa |
Recombinant expression | Organism: ![]() ![]() |
Sequence | String: HLYPGEVCPG MDIRNNLTRL HELENCSVIE GHLQILLMFK TRPEDFRDLS FPKLIMITDY LLLFRVYGLE SLKDLFPNLT VIRGSRLFF NYALVIFEMV HLKELGLYNL MNITRGSVRI EKNNELCYLA TIDWSRILDS VEDNHIVLNK DDNEECGDIC P GTAKGKTN ...String: HLYPGEVCPG MDIRNNLTRL HELENCSVIE GHLQILLMFK TRPEDFRDLS FPKLIMITDY LLLFRVYGLE SLKDLFPNLT VIRGSRLFF NYALVIFEMV HLKELGLYNL MNITRGSVRI EKNNELCYLA TIDWSRILDS VEDNHIVLNK DDNEECGDIC P GTAKGKTN CPATVINGQF VERCWTHSHC QKVCPTICKS HGCTAEGLCC HSECLGNCSQ PDDPTKCVAC RNFYLDGRCV ET CPPPYYH FQDWRCVNFS FCQDLHHKCK NSRRQGCHQY VIHNNKCIPE CPSGYTMNSS NLLCTPCLGP CPKVCHLLEG EKT IDSVTS AQELRGCTVI NGSLIINIRG GNNLAAELEA NLGLIEEISG YLKIRRSYAL VSLSFFRKLR LIRGETLEIG NYSF YALDN QNLRQLWDWS KHNLTTTQGK LFFHYNPKLC LSEIHKMEEV SGTKGRQERN DIALKTNGDK ASCENELLKF SYIRT SFDK ILLRWEPYWP PDFRDLLGFM LFYKEAPYQN VTEFDGQDAC GSNSWTVVDI DPPLRSNDPK SQNHPGWLMR GLKPWT QYA IFVKTLVTFS DERRTYGAKS DIIYVQTDAT NPSVPLDPIS VSNSSSQIIL KWKPPSDPNG NITHYLVFWE RQAEDSE LF ELDYCLKGLK LPSRTWSPPF ESEDSQKHNQ SEYEDSAGEC CSCPKTDSQI LKELEESSFR KTFEDYLHNV VFVPRPSR K RRSLGDVGNA GNNEEHRPFE KVVNKESLVI SGLRHFTGYR IELQACNQDT PEERCSVAAY VSARTMPEAK ADDIVGPVT HEIFENNVVH LMWQEPKEPN GLIVLYEVSY RRYGDEELHL CVSRKHFALE RGCRLRGLSP GNYSVRIRAT SLAGNGSWTE PTYFYVTDY LDVPSNIARM KQLEDKVEEL LSKNYHLENE VARLKKLVGE R UniProtKB: Insulin receptor, Insulin receptor, General control transcription factor GCN4 |
-Macromolecule #2: 2-acetamido-2-deoxy-beta-D-glucopyranose
Macromolecule | Name: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 2 / Number of copies: 6 / Formula: NAG |
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Molecular weight | Theoretical: 221.208 Da |
Chemical component information | ![]() ChemComp-NAG: |
-Experimental details
-Structure determination
Method | cryo EM |
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![]() | single particle reconstruction |
Aggregation state | particle |
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Sample preparation
Concentration | 0.094 mg/mL | |||||||||
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Buffer | pH: 7.5 Component:
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Vitrification | Cryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 283.15 K / Instrument: FEI VITROBOT MARK IV |
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Electron microscopy
Microscope | FEI TITAN KRIOS |
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Specialist optics | Energy filter - Name: GIF Quantum LS / Energy filter - Slit width: 20 eV |
Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: SUPER-RESOLUTION / Digitization - Frames/image: 1-20 / Number grids imaged: 1 / Number real images: 2287 / Average exposure time: 16.0 sec. / Average electron dose: 1.85 e/Å2 |
Electron beam | Acceleration voltage: 300 kV / Electron source: ![]() |
Electron optics | C2 aperture diameter: 50.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.5 µm / Nominal defocus min: 1.0 µm / Nominal magnification: 130000 |
Sample stage | Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN |
Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
-Atomic model buiding 1
Initial model | PDB ID: Chain - Source name: PDB / Chain - Initial model type: experimental model |
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Refinement | Space: REAL / Protocol: OTHER / Target criteria: Cross-correlation coefficient |
Output model | ![]() PDB-6hn4: |